ok this is mosaic set into wood it has a curved face to it (glass is flat ) PLEASE see at the top center the wood has a small chip that is gone also a few tiny bits are gone and in the white glass bar surround has breaks and is missing a few tiny bits 

The outer measurement is 5.5 x 4 and the oval photo area is 3 3/8 x 2 1/4 inches the back also has cracked (the wood) and the side nails has chipped off a bit of the back panel it still holds the photo just fine please ask for closeup photos or any questions before you purchase as we do not want to ship this then have questions